char ConvertToBase64(char uc)
{
if(uc < 26)
{
return 'A' + uc;
}
if(uc < 52)
{
return 'a' + (uc - 26);
}
if(uc < 62)
{
return '0' + (uc - 52);
}
if(uc == 62)
{
return '+';
}
return '/';
}
// base64的实现
void EncodeBase64(char *dbuf, char *buf128, int len)
{
struct Base64Date6 *ddd = NULL;
int i = 0;
char buf[256] = {0};
char *tmp = NULL;
char cc = '\0';
memset(buf, 0, 256);
strcpy_s(buf, 256, buf128);
for(i = 1; i <= len/3; i++)
{
tmp = buf + (i-1)*3;
cc = tmp[2];
tmp[2] = tmp[0];
tmp[0] = cc;
ddd = (struct Base64Date6 *)tmp;
dbuf[(i-1)*4+0] = ConvertToBase64((unsigned int)ddd->d1);
dbuf[(i-1)*4+1] = ConvertToBase64((unsigned int)ddd->d2);
dbuf[(i-1)*4+2] = ConvertToBase64((unsigned int)ddd->d3);
dbuf[(i-1)*4+3] = ConvertToBase64((unsigned int)ddd->d4);
}
if(len % 3 == 1)
{
tmp = buf + (i-1)*3;
cc = tmp[2];
tmp[2] = tmp[0];
tmp[0] = cc;
ddd = (struct Base64Date6 *)tmp;
dbuf[(i-1)*4+0] = ConvertToBase64((unsigned int)ddd->d1);
dbuf[(i-1)*4+1] = ConvertToBase64((unsigned int)ddd->d2);
dbuf[(i-1)*4+2] = '=';
dbuf[(i-1)*4+3] = '=';
}
if(len%3 == 2)
{
tmp = buf+(i-1)*3;
cc = tmp[2];
tmp[2] = tmp[0];
tmp[0] = cc;
ddd = (struct Base64Date6 *)tmp;
dbuf[(i-1)*4+0] = ConvertToBase64((unsigned int)ddd->d1);
dbuf[(i-1)*4+1] = ConvertToBase64((unsigned int)ddd->d2);
dbuf[(i-1)*4+2] = ConvertToBase64((unsigned int)ddd->d3);
dbuf[(i-1)*4+3] = '=';
}
return;
}
// 发送邮件
void SendMail(char *emailTo,char *emailFrom,char *emailPd,char *body)
{
int sockfd = {0};
char buf[1500] = {0};
char rbuf[1500] = {0};
char login[128] = {0};
char pass[128] = {0};
WSADATA WSAData;
struct sockaddr_in their_addr = {0};
WSAStartup(MAKEWORD(2, 2), &WSAData);
memset(&their_addr, 0, sizeof(their_addr));
their_addr.sin_family = AF_INET;
their_addr.sin_port = htons(25);
hostent* hptr = gethostbyname("smtp.163.com");
memcpy(&their_addr.sin_addr.S_un.S_addr, hptr->h_addr_list[0], hptr->h_length);
printf("IP of smpt.163.com is : %d:%d:%d:%d\n",
their_addr.sin_addr.S_un.S_un_b.s_b1,
their_addr.sin_addr.S_un.S_un_b.s_b2,
their_addr.sin_addr.S_un.S_un_b.s_b3,
their_addr.sin_addr.S_un.S_un_b.s_b4);
// 连接邮件服务器，如果连接后没有响应，则2 秒后重新连接
sockfd = OpenSocket((struct sockaddr *)&their_addr);
memset(rbuf, 0, 1500);
while(recv(sockfd, rbuf, 1500, 0) == 0)
{
cout<<"reconnect..."<<endl;
Sleep(2000);
sockfd = OpenSocket((struct sockaddr *)&their_addr);
memset(rbuf, 0, 1500);
}
cout<<rbuf<<endl;